Home / 287,820,524.28-431,761,042.26-93,747,062.76

Finding the Fourth Proportional to 287,820,524.28, 431,761,042.26 and 93,747,062.76

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Solution

The fourth proportional to 287,820,524.28, 431,761,042.26 and 93,747,062.76 is: 140,630,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,820,524.28 : 431,761,042.26 = 93,747,062.76 : x
  2. Step 2: Convert to fraction form
    287,820,524.28/431,761,042.26 = 93,747,062.76/x
  3. Step 3: Cross multiply
    287,820,524.28x = 431,761,042.26 × 93,747,062.76
  4. Step 4: Simplify right side
    287,820,524.28x = 40,476,329,526,071,232
  5. Step 5: Solve for x
    x = 40,476,329,526,071,232/287,820,524.28
  6. Step 6: Final answer
    x = 140,630,448.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.